# Martin 100R21H Taper-Lock Sprocket #100 Chain 1-1/4" Pitch 21 Teeth Hardened MST R1 Bushing Steel - MROSupply.com

***Martin 100R21H hardened steel Taper-Lock sprocket for #100 chain (1-1/4" pitch), 21 teeth, 9.043" outside diameter. Uses MST R1 split taper bushing (sold separately). Saber Tooth hardened teeth for extended wear life in high-ratio, abrasive, or slow-speed drives.***



## Product details:

- Catalog number: 100R21H
- SKU: 258817
- Price: ***$385.88*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Taper-Lock TL Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/taper-lock-tl-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 11.200 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 9.043"
  

  
- Pitch: 1.250 in.
  


## Product's reviews:
- Good stock - I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.
- Nice sprocket - sprocket is very nice.
- Works great - Works perfect and made my gokart way faster
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!